<template>
  <section class="main">
      <input id="toggle-all" class="toggle-all" type="checkbox" v-model="isAll"/>
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li :class="{completed:item.isDone}" v-for="item in list" :key="item.id">
          <div class="view">
            <input class="toggle" type="checkbox" :checked='item.isDone' @click="changeIsDone(item.id)"/>
            <label>{{item.name}}</label>
            <button class="destroy" @click="delTask(item.id)"></button>
          </div>
        </li>
       
      </ul>
    </section>
</template>

<script>
export default {
  name: 'TodoMain',
   props:{
     list:{
      required:true,
      type:Array
     }
   },
  data() {
    return {
      
    };
  },
  methods: {
    changeIsDone(id){
      this.$emit('changeIsDone',id)
    },
    delTask(id){
      this.$emit('delTask',id)
    }
  },
  computed:{
    isAll:{
      get(){
        return this.list.every(item=>item.isDone)
      },
      set(val){
        this.$emit('isAll',val)
      }
    }
  }
};
</script>

<style lang="scss" scoped>

</style>